Freelance Day Rate Calculator
Work out your ideal freelance or contractor day rate. Enter your desired salary, holidays, expenses and profit margin — see exactly what to charge per day, per hour, and per month, with a full UK tax breakdown.
💡 190 billable days = 220 working days minus 25 holidays and 5 sick days.
💡 A 10–20% margin builds a buffer for slow periods and business growth. Set to 0 for the bare minimum rate.
📋 Full Rate Breakdown
🧾 UK Tax Estimate (2025/26)
Estimated Income Tax and National Insurance based on your projected gross profit as a sole trader.
⚖️ Employed Salary vs Freelance Rate
What an employer would need to pay to give you the same take-home — and why your day rate isn't "overcharging".
💡 Tips for Setting Your Rate
How to Calculate Your Freelance Day Rate in the UK
Setting the right day rate is one of the most important decisions you'll make as a freelancer or contractor in the UK. Charge too little and you'll burn out chasing volume; too much and you'll struggle to land clients. This free calculator takes the guesswork out by using your actual numbers — desired salary, real business costs, pension savings, and a healthy profit margin — to produce a rate that actually sustains your business.
The Day Rate Formula
The core formula is straightforward:
Day Rate = (Desired Salary + Tax + Expenses + Pension + Profit) ÷ Effective Billable Days
Most freelancers underestimate two things: how many days they actually bill (holidays and sick days eat into the 220-day year fast), and how much tax and National Insurance they'll owe. This calculator handles both automatically using the latest 2025/26 UK tax thresholds.
Why You Need a Profit Margin
Your base rate covers salary and costs — but it leaves zero buffer. A 10–20% profit margin gives your business room to breathe: it covers quiet months, funds new equipment, pays for training, and builds the cash reserve every freelancer needs. Think of it as paying your business, not just yourself.
Day Rate vs Hourly Rate
Most UK freelancers quote a day rate based on a 7.5-hour working day. Day rates are generally better because they reward efficiency — finish in 5 hours and you still earn the full rate. Hourly rates work for ongoing support retainers or very short engagements where scope varies week to week. This calculator shows both so you can quote whichever suits the project.
The Employed Salary Trap
Clients sometimes compare your day rate to an annual salary and baulk. But an employee on £50,000 costs their employer significantly more: 13.8% employer National Insurance, minimum 3% pension contribution, paid holidays, sick pay, and overheads. When you set your freelance rate, you're covering all of that yourself. The comparison section above shows exactly how the numbers stack up.
What Costs Should You Include?
- Software & tools — design software, project management, accounting, cloud storage
- Insurance — professional indemnity, public liability, cyber
- Accountant or bookkeeper — essential for tax returns and financial planning
- Office costs — co-working space or a proportion of home office expenses
- Equipment — laptop, monitor, phone (amortised over lifespan)
- Marketing — website hosting, portfolio, business cards, advertising
- Training — courses, conferences, books, CPD
For more on deductible expenses, see our guide to freelancer tax deductions in the UK.
Review Your Rate Regularly
Your rate isn't set in stone. Review it every six months as your experience grows, your costs change, and market rates shift. When you raise your rate, apply it to new clients first — existing clients can be moved gradually. For a detailed walkthrough, read how to set your freelance rate in the UK.
Once you've nailed your rate, make sure you're invoicing properly — a professional invoice with clear payment terms means you actually get paid what you're worth.
Frequently Asked Questions
Start with your desired annual take-home salary. Add business expenses, pension contributions, and estimated tax. Divide by your effective billable days (working days minus holidays and sick days). Most UK freelancers have around 190 effective billable days per year. Add a 10–20% profit margin on top for a sustainable rate.
UK freelance day rates vary widely: junior freelancers typically charge £200–£350/day, mid-level £350–£600/day, and senior specialists £600–£1,200+/day. IT contractors and management consultants often charge at the higher end. The key is calculating your rate from your actual costs rather than guessing from industry averages.
A freelancer's day rate isn't directly comparable to a salary. Employees get paid holidays, sick pay, employer pension (min 3%), and the employer pays 13.8% NI on top. A £400/day freelancer's equivalent employed salary is typically 25–35% lower once you factor in these hidden employer costs and the freelancer's own business expenses.
Absolutely. Your base rate covers costs and salary, but a margin (10–20%) builds a buffer for quiet months, business investment, training, and unexpected expenses. Without it, one slow month can leave you short. Think of it as paying your business, not just yourself.
For 2025/26, sole traders pay Income Tax on profits above £12,570 (20% basic rate, 40% higher rate from £50,271, 45% additional from £125,141). You also pay Class 2 NI (£3.45/week) and Class 4 NI (6% on profits between £12,570–£50,270, 2% above that). Most freelancers earning £40k–£70k profit pay an effective rate of 25–32%.
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